Home / 325,913.90-488,907.30-101,272.55

Finding the Fourth Proportional to 325,913.90, 488,907.30 and 101,272.55

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Solution

The fourth proportional to 325,913.90, 488,907.30 and 101,272.55 is: 151,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,913.90 : 488,907.30 = 101,272.55 : x
  2. Step 2: Convert to fraction form
    325,913.90/488,907.30 = 101,272.55/x
  3. Step 3: Cross multiply
    325,913.90x = 488,907.30 × 101,272.55
  4. Step 4: Simplify right side
    325,913.90x = 49,512,888,984.62
  5. Step 5: Solve for x
    x = 49,512,888,984.62/325,913.90
  6. Step 6: Final answer
    x = 151,920.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.